Diafenthiuron -MATERIAL SAFETY DATA SHEET
Manufacturer/information service:
CHANGZHOU DAWN INTERNATIONAL CO., LTD
2612-15, TOWER B, WANDA PLAZA, XINBEI, CHANGZHOU, JIANGSU,
CHINA
Phone: 86 519-85851006
Fax:
86 519-85851009
1. Chemical Product Identification
Product Name: Diafenthiuron
Molecular Formula: C23H32N2OS
Molecular Weight: 384.6
Structural Formula:
Chemical Name: 1-tert-butyl-3-(2,6-di-isopropyl-4-phenoxyphenyl)thiourea
Form: Solid
Color: White powder.
Odor: Odorless
CAS No.: 80060-09-9
2. Composition / Information on Ingredients
CAS No.
80060-09-9
Diafenthiuron
50.0%
Other ingredients
50.0%
3. Hazards Identification
May cause sensitization by skin contact. Harmful: Danger of serious damage
to health by prolonged exposure in contact with skin and if swallowed.
4. First Aid Measures
In case of poisoning by any exposure route contact a doctor or Poisons
Information Centre.
Swallowed: If swallowed, contact medical care immediately.
Eye: If product gets in eyes, flush eyes with running water for at least 15
minutes.
Skin: If skin contact occurs, remove contaminated clothing and wash affected
areas thoroughly with soap and water. Wash contaminated clothing before
re-use.
Inhaled: Move affected person to fresh air and keep at rest until recovered.
5. Fire-Fighting Measures
This product is non-flammable. Extinguish warehouse and factory fires using
fine-water spray or foam. When fighting a major fire wear a respirator. Do not
allow fire-water to enter drains.
6. Accidental Release Measures
In case of spillage it is important to take all steps necessary to: Avoid eye and
skin contact.
Avoid contamination of waterways.
7. Handling and Storage
Store in tightly sealed original containers in a dry secure place away from
fertilisers, seed, feed and food. Store out of direct sunlight. Keep out of reach
of children, unauthorized persons and animals.
8. Exposure Controls/Personal Protection
Engineering Controls:
No special requirements. Product is used outdoors.
Manual flagging is not permitted during aerial spraying of PEGASUS.
Personal Protection:
Will irritate the eyes and skin. Avoid contact with eyes and skin. Do not inhale
spray mist.
When opening the container, preparing the spray and using the prepared
spray wear:
Cotton overalls buttoned to the neck and wrist.
A washable hat, and Elbow length PVC gloves.
Wash hands after used. After each day’s use, wash gloves and contaminated
clothing.
Only use protective equipment bearing the mark .
9. Physical and Chemical Properties
Specific gravity: 1.050 g/cm3 (at 20°C)
Behaviour in water: Dispersible
PH: 7.0 - 7.5
Melting point: 144.6-147.7°C.
Vapor pressure: <2 × 10-3 mPa (25°C).
Solubility at 25°C in: acetone 320 g/l, ethanol 43 g/l, n -hexane 9.6 g/l, n
-octanol 26 g/l, toluene 330 g/l.
10. Stability and Reactivity
Stability : stable at room temperature
Corrosiveness: Non-corrosive
Flammability: This product is non-flammable and non-combustible.
11. Toxicological Information
ACUTE:
Toxicity: This product is moderately hazardous (WHO Hazard Class II)
Swallowed: LOW TOXICITY
Tests indicate low toxicity following single doses of the undiluted product.
(LD50 = 1950 mg/kg)
Dermal absorption: LOW TOXICITY
Tests indicate a low toxicity due to skin contact of the undiluted product.
(LD50 = >4000 mg/kg)
Irritation:
Eye: Slight irritant.
Skin: Slight irritant.
Sensitization:
Skin: Not a sensitiser.
12. Ecological and Ecotoxicological Information
Toxicity on aquatic organisms
LC50 (96h) : carp 0.0038mg/l
Rainbow trout 0.0007mg/l
Bluegill 0.0013mg/l
Toxicity on birds
Acute oral LD50 (mg/kg) : mallard and bobwhite quail >1500
LC50 (8days) ; mallard and bobwhite quail >1500mg/kg
Toxicity on other organisms
Bee LD50 (48h) : 2.1μg/bee(oral) , 1.5μg/bee(contact)
13. Disposal Considerations
Dispose of empty, used containers by:
Triple rinsing or preferably pressure rinsing containers with water. Add the
rinsings to the spray tank. Do not dispose of undiluted chemicals on site.
If recycling, replace cap and return clean containers to recycler or designated
collection point.
If not recycling, break, crush or puncture and bury empty containers in a local
authority landfill. If no landfill is available, bury the containers below 500 mm in
a disposal pit specifically marked and set up for this purpose clear of
waterways, desirable vegetation and tree roots. Empty containers and product
should not be burnt.
14. Transport Information
Not applicable.
15. Regulatory Information
Not applicable.
16. Other Information
All information and instructions provided in this Material Safety Data Sheet
(MSDS) are based on the current state of scientific and technical knowledge at
the date indicated on the present MSDS and are presented in good faith and
believed to be correct. This information applies to the product as such. In case
of new formulations or mixes, it is necessary to ascertain that a new danger will
not appear. It is the responsibility of persons on receipt of this MSDS to ensure
that the information contained herein is properly read and understood by all
people who may use, handle, dispose or in any way come in contact with the
product. If the recipient subsequently produce formulations containing this
product, it is the recipients sole responsibility to ensure the transfer of all
relevant information from this MSDS to their own MSDS.